diff options
| author | des <des@FreeBSD.org> | 2001-03-19 22:03:11 +0000 |
|---|---|---|
| committer | des <des@FreeBSD.org> | 2001-03-19 22:03:11 +0000 |
| commit | d0f798c1511603114cebeb179c36e5b22f827f1b (patch) | |
| tree | f1aee84c165162c8b0a65be0715f9ddf03d6f837 /sys/conf | |
| parent | 8b5320d4a50d269676d4e8c75120d565a3fc2dcc (diff) | |
| download | FreeBSD-src-d0f798c1511603114cebeb179c36e5b22f827f1b.zip FreeBSD-src-d0f798c1511603114cebeb179c36e5b22f827f1b.tar.gz | |
Axe TCP_RESTRICT_RST. It was never a particularly good idea except for a few
very specific scenarios, and now that we have had net.inet.tcp.blackhole for
quite some time there is really no reason to use it any more.
(first of three commits)
Diffstat (limited to 'sys/conf')
| -rw-r--r-- | sys/conf/NOTES | 8 | ||||
| -rw-r--r-- | sys/conf/options | 1 |
2 files changed, 0 insertions, 9 deletions
diff --git a/sys/conf/NOTES b/sys/conf/NOTES index 52f32ed..6dd2f65 100644 --- a/sys/conf/NOTES +++ b/sys/conf/NOTES @@ -590,19 +590,11 @@ options TCPDEBUG options ACCEPT_FILTER_DATA options ACCEPT_FILTER_HTTP -# The following options add sysctl variables for controlling how certain -# TCP packets are handled. -# # TCP_DROP_SYNFIN adds support for ignoring TCP packets with SYN+FIN. This # prevents nmap et al. from identifying the TCP/IP stack, but breaks support # for RFC1644 extensions and is not recommended for web servers. # -# TCP_RESTRICT_RST adds support for blocking the emission of TCP RST packets. -# This is useful on systems which are exposed to SYN floods (e.g. IRC servers) -# or any system which one does not want to be easily portscannable. -# options TCP_DROP_SYNFIN #drop TCP packets with SYN+FIN -options TCP_RESTRICT_RST #restrict emission of TCP RST # DUMMYNET enables the "dummynet" bandwidth limiter. You need # IPFIREWALL as well. See the dummynet(4) manpage for more info. diff --git a/sys/conf/options b/sys/conf/options index e848c50..0878dad 100644 --- a/sys/conf/options +++ b/sys/conf/options @@ -278,7 +278,6 @@ SLIP_IFF_OPTS opt_slip.h TCP_COMPAT_42 opt_compat.h TCPDEBUG TCP_DROP_SYNFIN opt_tcp_input.h -TCP_RESTRICT_RST opt_tcp_input.h XBONEHACK # Netgraph(4). Use option NETGRAPH to enable the base netgraph code. |
